Made wxContextHelp implementation generic and added wxFindWindowAtPointer,

[wxWidgets.git] / src / motif / dcclient.cpp

diff --git a/src/motif/dcclient.cpp b/src/motif/dcclient.cpp
index aa4970ddef22ca0047b9d715959595fba7a30434..9fcfc8730a57bb156dc0546d0fa2ee2ea0881066 100644 (file)
--- a/src/motif/dcclient.cpp
+++ b/src/motif/dcclient.cpp
@@ -134,7 +134,7 @@ wxWindowDC::wxWindowDC()
     m_currentPenWidth = 1;
     m_currentPenJoin = -1;
     m_currentPenDashCount = -1;
-    m_currentPenDash = (char*) NULL;
+    m_currentPenDash = (wxMOTIFDash*) NULL;
     m_currentStyle = -1;
     m_currentFill = -1;
     //    m_currentBkMode = wxTRANSPARENT;
@@ -159,7 +159,7 @@ wxWindowDC::wxWindowDC( wxWindow *window )
     m_currentPenWidth = 1;
     m_currentPenJoin = -1;
     m_currentPenDashCount = -1;
-    m_currentPenDash = (char*) NULL;
+    m_currentPenDash = (wxMOTIFDash*) NULL;
     m_currentStyle = -1;
     m_currentFill = -1;
     //    m_currentBkMode = wxTRANSPARENT;
@@ -179,16 +179,17 @@ wxWindowDC::wxWindowDC( wxWindow *window )
     gcvalues.foreground = BlackPixel (display, DefaultScreen (display));
     gcvalues.background = WhitePixel (display, DefaultScreen (display));
     gcvalues.graphics_exposures = False;
+    gcvalues.subwindow_mode = IncludeInferiors;
     gcvalues.line_width = 1;
     m_gc = (WXGC) XCreateGC (display, RootWindow (display, DefaultScreen (display)),
-        GCForeground | GCBackground | GCGraphicsExposures | GCLineWidth,
+        GCForeground | GCBackground | GCGraphicsExposures | GCLineWidth | GCSubwindowMode,
         &gcvalues);
 
     if (m_window->GetBackingPixmap())
     {
         m_gcBacking = (WXGC) XCreateGC (display, RootWindow (display,
             DefaultScreen (display)),
-            GCForeground | GCBackground | GCGraphicsExposures | GCLineWidth,
+            GCForeground | GCBackground | GCGraphicsExposures | GCLineWidth | GCSubwindowMode,
             &gcvalues);
     }
 
@@ -235,11 +236,18 @@ void wxWindowDC::DoFloodFill( wxCoord WXUNUSED(x1), wxCoord WXUNUSED(y1),
     wxFAIL_MSG("not implemented");
 }
 
-bool wxWindowDC::DoGetPixel( wxCoord WXUNUSED(x1), wxCoord WXUNUSED(y1), wxColour *WXUNUSED(col) ) const
+bool wxWindowDC::DoGetPixel( wxCoord x1, wxCoord y1, wxColour *col ) const
 {
-    wxFAIL_MSG("not implemented");
-
-    return FALSE;
+    // Generic (and therefore rather inefficient) method.
+    // Could be improved.
+    wxMemoryDC memdc;
+    wxBitmap bitmap(1, 1);
+    memdc.SelectObject(bitmap);
+    memdc.Blit(0, 0, 1, 1, (wxDC*) this, x1, y1);
+    memdc.SelectObject(wxNullBitmap);
+    wxImage image(bitmap);
+    col->Set(image.GetRed(0, 0), image.GetGreen(0, 0), image.GetBlue(0, 0));
+    return TRUE;
 }
 
 void wxWindowDC::DoDrawLine( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2 )
@@ -315,7 +323,7 @@ void wxWindowDC::DoDrawArc( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2, wxCo
 
     wxCoord dx = xx1 - xxc;
     wxCoord dy = yy1 - yyc;
-    double radius = sqrt (dx * dx + dy * dy);
+    double radius = sqrt ((double)(dx * dx + dy * dy));
     wxCoord r = (wxCoord) radius;
 
     double radius1, radius2;
@@ -1266,7 +1274,7 @@ void wxWindowDC::DoDrawRotatedText( const wxString &text, wxCoord x, wxCoord y,
                 // draw black pixels, ignore white ones (i.e. transparent b/g)
                 if (image.GetRed(sx, sy) == 0)
                 {
-                    DrawPoint(x1 + maxx - rx, cy + y1 - ry);
+                    DrawPoint((wxCoord) (x1 + maxx - rx), (wxCoord) (cy + y1 - ry));
                 }
                 else
                 {
@@ -1506,7 +1514,7 @@ void wxWindowDC::SetPen( const wxPen &pen )
     int old_pen_join = m_currentPenJoin;
     int old_pen_cap = m_currentPenCap;
     int old_pen_nb_dash = m_currentPenDashCount;
-    char *old_pen_dash = m_currentPenDash;
+    wxMOTIFDash *old_pen_dash = m_currentPenDash;
 
     wxColour oldPenColour = m_currentColour;
     m_currentColour = m_pen.GetColour ();
@@ -1516,7 +1524,7 @@ void wxWindowDC::SetPen( const wxPen &pen )
     m_currentPenJoin = m_pen.GetJoin ();
     m_currentPenCap = m_pen.GetCap ();
     m_currentPenDashCount = m_pen.GetDashCount();
-    m_currentPenDash = m_pen.GetDash();
+    m_currentPenDash = (wxMOTIFDash*)m_pen.GetDash();
 
     if (m_currentStyle == wxSTIPPLE)
         m_currentStipple = * m_pen.GetStipple ();
@@ -1544,15 +1552,15 @@ void wxWindowDC::SetPen( const wxPen &pen )
         int style;
         int join;
         int cap;
-        static const char dotted[] = {2, 5};
-        static const char short_dashed[] = {4, 4};
-        static const char long_dashed[] = {4, 8};
-        static const char dotted_dashed[] = {6, 6, 2, 6};
+        static const wxMOTIFDash dotted[] = {2, 5};
+        static const wxMOTIFDash short_dashed[] = {4, 4};
+        static const wxMOTIFDash long_dashed[] = {4, 8};
+        static const wxMOTIFDash dotted_dashed[] = {6, 6, 2, 6};
 
         // We express dash pattern in pen width unit, so we are
         // independent of zoom factor and so on...
         int req_nb_dash;
-        const char *req_dash;
+        const wxMOTIFDash *req_dash;
 
         switch (m_pen.GetStyle ())
         {
@@ -1586,13 +1594,13 @@ void wxWindowDC::SetPen( const wxPen &pen )
         case wxTRANSPARENT:
         default:
             style = LineSolid;
-            req_dash = NULL;
+            req_dash = (wxMOTIFDash*)NULL;
             req_nb_dash = 0;
         }
 
         if (req_dash && req_nb_dash)
         {
-            char *real_req_dash = new char[req_nb_dash];
+            wxMOTIFDash *real_req_dash = new wxMOTIFDash[req_nb_dash];
             if (real_req_dash)
             {
                 int factor = scaled_width == 0 ? 1 : scaled_width;